linux-kernel - Re: 32bit NUMA and fakeNUMA broken for AMD CPUs

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Message-ID: <20110630155557.GS3386@htj.dyndns.org>
Date:	Thu, 30 Jun 2011 17:55:57 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Hans Rosenfeld <hans.rosenfeld@....com>
Cc:	"Seidel, Conny" <Conny.Seidel@....com>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: 32bit NUMA and fakeNUMA broken for AMD CPUs

Hello,

On Thu, Jun 30, 2011 at 03:13:38PM +0200, Hans Rosenfeld wrote:
> On Wed, Jun 29, 2011 at 12:15:17PM -0400, Tejun Heo wrote:
> > Hans, can you please apply the following patch and post the boot log
> > from both SPARSEMEM and DISCONTIGMEM kernels?  On SPARSEMEM, it should
> > reject NUMA config and boot w/ flatmem.
> 
> Bootlogs are attached. Now DISCONTIGMEM panics.
...
> [    0.000000] Linux version 2.6.39-rc5-00181-g2706a0b-dirty (root@...ms) (gcc version 4.5.2 (Gentoo 4.5.2 p1.1, pie-0.4.5) ) #26 SMP Thu Jun 30 14:39:05 CEST 2011

Hmmm... it looks like the kernel is crashing from the other bug in
this thread.  Can you please apply both patches on top of 3.0-rc5 and
re-test?

Thank you.

-- 
tejun
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